ar4020p0200mfa

Perform wheel alignment check

Type ar · topic 40.20 · version 0102 · 2019-05-28

Applies to: Model 118, 177, 247

Where it sits

Function group 2 Chassis › 40 Wheels, chassis alignment check › 40.20 Chassis measurement — Series 118 · Series 177 · Series 247

EinPAS 20 Chassis › 20.10 Wheel alignment › 20.10.20 Diagnosis/testing/measurement/adjusting — Series 118 · Series 177 · Series 247

AR40.20-P-0200MFA

Perform wheel alignment check

27.05.2019

Model

118, 177, 247

Notes on safety-relevant components

AH00.00-Z-0019-01A

Measure

1

Drive the vehicle onto measuring station and secure using parking brake.

The measuring system must be approved by Mercedes-Benz.

2

Put transmission into neutral position.

3

Open window on driver's door.

Preparations for checking steering lock.

4

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

5

Carry out conditions and tests for wheel alignment measurement.

AR40.20-P-0304-01MFA

6

Unlock turn and slip plates.

7

Rock vehicle to settle suspension at front and rear several times.

In order to bring the vehicle into ready-to-drive condition.

8

Check vehicle level at front and rear axles using electronic inclinometer and adjust if necessary.

000 588 05 19 00 Vehicle level inclinometer

WS40.00-P-0007B

AR40.20-P-0304-02MFA

Cleaner

*BR00.45-Z-1025-04A

9

Cover up the brake pedal and the front seat.

Otherwise the brake pedal or the front seat may be damaged.

10

Install the brake pedal jack with the adapter for brake pedal jack between the brake pedal and the driver's seat.

Do not load vehicle any more.

Brake pedal jack

*000589183100

Adapter for brake pedal winch

*211589003100

11

Attach Mercedes-Benz quick-clamp holders.

AR40.20-P-0230SX

12

Attach measuring heads.

For attaching the measuring heads, see corresponding manufacturer's operating instructions.

13

Carry out input measurement.

For carrying out the initial measurement, see corresponding dimensional check system operating instructions.

14

Compare determined values with the specified values.


Model 247

AR40.20-P-0203MB

Model 177

AR40.20-P-0203MFA

Model 118

AR40.20-P-0203MFI

15

Check camber on rear axle.

If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-05MFA

16.1

Check toe at rear axle.

Model 177, 247
with code U54 (Compound-link axle)
If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-07MFA

16.2

Adjust toe on rear axle.

Model 118, 177, 247
with code U55 (Multi-link axle)
If the measurement result of the initial measurement is outside the tolerance.

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

AR40.20-P-0304-08MFA

Nut, tie rod to rear axle carrier

*BA35.20-P-1001-04N

17

Check camber at front axle.

If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-12MFA

18

Check caster at front axle.

If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-10MFA

19

Adjust toe on front axle.

If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-15MFA

Jam nut, tie rod

*BA46.40-P-1002-01Q

Retainer device

*129589012100

20

Check toe-out angle.

If the measurement result of the initial measurement is outside the tolerance.

AR40.20-P-0304-16MFA

21

Carry out output measurement.

If the specified values for the vehicle are not attained,

Repeat operation steps 15 to 21.

22

Detach measuring heads.

23

Detach Mercedes-Benz quick-clamp holders.

AR40.20-P-0230SX

24

Remove brake pedal jack with adapter for brake pedal jack.

Brake pedal jack

*000589183100

Adapter for brake pedal winch

*211589003100

25

Remove cover from brake pedal and driver's seat.

26

Lock turn and slip plates.

27

Drive vehicle off measuring system.

28

Check headlamp adjustment and correct if necessary.

Model 247

AP82.10-P-8260AO

Model 177

AP82.10-P-8260N

Tie rod

Number

Designation

Model 118, 177, 247

BA35.20-P-1001-04N

Nut, tie rod to rear axle carrier

Stage 1

Nm

50

Stage 2

°

90

Front axle tie rod

Number

Designation

Model 118, 177, 247

BA46.40-P-1002-01Q

Jam nut, tie rod

Nm

60

Perform wheel alignment check
Perform wheel alignment check
Perform wheel alignment check

000 589 18 31 00

Brake pedal jack

211 589 00 31 00

Adapter for brake pedal winch

129 589 01 21 00

Retainer device

Repair materials

Number

Designation

Order number

BR00.45-Z-1025-04A

Cleaner

A 005 989 19 71

Referenced documents